Display screen or portion thereof of a captioning communication device with graphical user interface



The patent or application file contains at least one drawing executed incolor. Copies of this patent or patent application publication withcolor drawings will be provided by the Office upon request and paymentof the necessary fee.

FIG. 1 is a front view of a display screen or portion thereof of acaptioning communication device with graphical user interface accordingto a first embodiment; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken lines showing the display screen and portions of thegraphical user interface form no part of the claimed design. Thecircular broken line within the graphical user interface illustrates aboundary line. The boundary line and all features within form no part ofthe claimed design.

CLAIM The ornamental design for a display screen or portion thereof of acaptioning communication device with graphical user interface, as shownand described.